Glenns Ferry Weather in September
Average highs run from 92°F on September 1 to 80°F on September 30, and lows from 51°F to 41°F. Normal precipitation for the month is 0.44 in.
September day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
September at a glance
- Average high
- 86°F
- Average low
- 46°F
- Precipitation
- 0.44 in
- Record high
- 105°FSep 4, 1998
- Record low
- 24°FSep 25, 1984
- Chance of a freeze
- 42%
- Days of 90°F or more
- 11.1
- Daylight
- 13 h 10 min to 11 h 46 min
- Cloud cover
- 36%
- Humidity
- 32%
- Dew point
- 33°F
- Wind
- 7.4 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Sep 1 | 92°F | 51°F | 101°F 1998 | 36°F 2006 | |
| Sep 2 | 92°F | 50°F | 101°F 1998 | 34°F 2008 | |
| Sep 3 | 91°F | 50°F | 103°F 1998 | 39°F 2008 | |
| Sep 4 | 91°F | 50°F | 105°F 1998 | 36°F 1989 | |
| Sep 5 | 91°F | 50°F | 105°F 1998 | 38°F 1999 | |
| Sep 6 | 90°F | 49°F | 98°F 1997 | 35°F 2015 | |
| Sep 7 | 90°F | 49°F | 100°F 1998 | 32°F 1992 | |
| Sep 8 | 90°F | 49°F | 99°F 1997 | 34°F 1992 | |
| Sep 9 | 89°F | 48°F | 97°F 1994 | 34°F 2001 | |
| Sep 10 | 89°F | 48°F | 98°F 1997 | 34°F 1983 | |
| Sep 11 | 88°F | 48°F | 99°F 1993 | 34°F 1989 | |
| Sep 12 | 88°F | 47°F | 97°F 1990 | 33°F 1988 | |
| Sep 13 | 88°F | 47°F | 97°F 1996 | 32°F 1993 | |
| Sep 14 | 87°F | 47°F | 94°F 1997 | 32°F 1992 | |
| Sep 15 | 87°F | 46°F | 100°F 2000 | 35°F 1989 | |
| Sep 16 | 86°F | 46°F | 98°F 1995 | 36°F 1986 | |
| Sep 17 | 86°F | 46°F | 99°F 1998 | 30°F 1987 | |
| Sep 18 | 86°F | 45°F | 96°F 1994 | 31°F 2003 | |
| Sep 19 | 85°F | 45°F | 93°F 1984 | 30°F 1988 | |
| Sep 20 | 85°F | 45°F | 94°F 1994 | 30°F 1983 | |
| Sep 21 | 84°F | 44°F | 92°F 1991 | 26°F 1983 | |
| Sep 22 | 84°F | 44°F | 93°F 1992 | 27°F 1993 | |
| Sep 23 | 83°F | 44°F | 99°F 1992 | 28°F 1995 | |
| Sep 24 | 83°F | 43°F | 98°F 2001 | 27°F 2000 | |
| Sep 25 | 82°F | 43°F | 95°F 2001 | 24°F 1984 | |
| Sep 26 | 82°F | 43°F | 93°F 2010 | 26°F 1984 | |
| Sep 27 | 81°F | 42°F | 93°F 1989 | 30°F 1984 | |
| Sep 28 | 81°F | 42°F | 94°F 2009 | 28°F 1987 | |
| Sep 29 | 80°F | 42°F | 93°F 2008 | 27°F 1985 | |
| Sep 30 | 80°F | 41°F | 97°F 1989 | 26°F 1985 |
Chance of rain
Sunrise and sunset
Times for 2026, local time (MDT).
- September 1
- sunrise 7:06 AM, sunset 8:16 PM
- September 30
- sunrise 7:38 AM, sunset 7:24 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00103631 (Glenns Ferry), public domain. Records: NOAA GHCN-Daily, station USC00103932, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.